[FFmpeg-devel] Fix bugs on Mips platform.

[Hao Chen]

v2: Modifies the format of the Commit message.

[PATCH v2 1/2] lavc/mips: Fix bugs in me_cmp_msa.c file.
[PATCH v2 2/2] lavc/mips: Fix hevc decoding bugs on MIPS paltform.